2011-07-20 Benjamin Kosnik <bkoz@redhat.com>
Daniel Krugler <daniel.kruegler@googlemail.com>
* include/std/chrono: (system_clock::is_steady): Update to N3291
from is_monotonic.
(time_point): Add constexpr to nonmember arithmetic operators.
* src/chrono.cc: Modify for above.
* src/compatibility-c++0x.cc: Same.
* testsuite/20_util/time_point/nonmember/constexpr.cc: New.
* testsuite/20_util/time_point/1.cc: Modify.
* testsuite/20_util/system_clock/constexpr_data.cc: Modify.
* testsuite/20_util/system_clock/1.cc: Modify.
* testsuite/20_util/monotonic_clock/constexpr_data.cc: Move to...
* testsuite/20_util/steady_clock/constexpr_data.cc: ...here.
* testsuite/30_threads/condition_variable/members/2.cc: Modify.
* testsuite/30_threads/condition_variable_any/members/2.cc: Modify.
===================================================================
@@ -39,7 +39,7 @@
{
_GLIBCXX_BEGIN_NAMESPACE_VERSION
- constexpr bool system_clock::is_monotonic;
+ constexpr bool system_clock::is_steady;
system_clock::time_point
system_clock::now() throw ()
@@ -63,10 +63,10 @@
}
#ifdef _GLIBCXX_USE_CLOCK_MONOTONIC
- constexpr bool monotonic_clock::is_monotonic;
+ constexpr bool steady_clock::is_steady;
- monotonic_clock::time_point
- monotonic_clock::now()
+ steady_clock::time_point
+ steady_clock::now()
{
timespec tp;
// -EINVAL, -EFAULT
===================================================================
@@ -1,6 +1,6 @@
// Compatibility symbols for previous versions, C++0x bits -*- C++ -*-
-// Copyright (C) 2009, 2010 Free Software Foundation, Inc.
+// Copyright (C) 2009, 2010, 2011 Free Software Foundation, Inc.
//
// This file is part of the GNU ISO C++ Library. This library is free
// software; you can redistribute it and/or modify it under the
@@ -81,4 +81,17 @@
const size_t __tmp = std::_Hash_impl::hash(__e._M_value);
return std::_Hash_impl::__hash_combine(__e._M_cat, __tmp);
}
+
+
+ // gcc-4.7.0
+ // <chrono> changes is_monotonic to is_steady.
+ namespace chrono
+ {
+ struct system_clock
+ {
+ static constexpr bool is_monotonic = false;
+ };
+ constexpr bool system_clock::is_monotonic;
+ } // namespace chrono
}
+
===================================================================
@@ -585,7 +585,7 @@
template<typename _Clock, typename _Dur1,
typename _Rep2, typename _Period2>
- inline time_point<_Clock,
+ inline constexpr time_point<_Clock,
typename common_type<_Dur1, duration<_Rep2, _Period2>>::type>
operator+(const time_point<_Clock, _Dur1>& __lhs,
const duration<_Rep2, _Period2>& __rhs)
@@ -593,27 +593,37 @@
typedef duration<_Rep2, _Period2> __dur2;
typedef typename common_type<_Dur1,__dur2>::type __ct;
typedef time_point<_Clock, __ct> __time_point;
- return __time_point(__lhs) += __rhs;
+ return __time_point(__lhs.time_since_epoch() + __rhs);
}
template<typename _Rep1, typename _Period1,
typename _Clock, typename _Dur2>
- inline time_point<_Clock,
+ inline constexpr time_point<_Clock,
typename common_type<duration<_Rep1, _Period1>, _Dur2>::type>
operator+(const duration<_Rep1, _Period1>& __lhs,
const time_point<_Clock, _Dur2>& __rhs)
- { return __rhs + __lhs; }
+ {
+ typedef duration<_Rep1, _Period1> __dur1;
+ typedef typename common_type<__dur1,_Dur2>::type __ct;
+ typedef time_point<_Clock, __ct> __time_point;
+ return __time_point(__rhs.time_since_epoch() + __lhs);
+ }
template<typename _Clock, typename _Dur1,
typename _Rep2, typename _Period2>
- inline time_point<_Clock,
+ inline constexpr time_point<_Clock,
typename common_type<_Dur1, duration<_Rep2, _Period2>>::type>
operator-(const time_point<_Clock, _Dur1>& __lhs,
const duration<_Rep2, _Period2>& __rhs)
- { return __lhs + (-__rhs); }
+ {
+ typedef duration<_Rep2, _Period2> __dur2;
+ typedef typename common_type<_Dur1,__dur2>::type __ct;
+ typedef time_point<_Clock, __ct> __time_point;
+ return __time_point(__lhs.time_since_epoch() -__rhs);
+ }
template<typename _Clock, typename _Dur1, typename _Dur2>
- inline typename common_type<_Dur1, _Dur2>::type
+ inline constexpr typename common_type<_Dur1, _Dur2>::type
operator-(const time_point<_Clock, _Dur1>& __lhs,
const time_point<_Clock, _Dur2>& __rhs)
{ return __lhs.time_since_epoch() - __rhs.time_since_epoch(); }
@@ -673,7 +683,7 @@
< system_clock::duration::zero(),
"a clock's minimum duration cannot be less than its epoch");
- static constexpr bool is_monotonic = false;
+ static constexpr bool is_steady = false;
static time_point
now() throw ();
@@ -696,21 +706,21 @@
};
#ifdef _GLIBCXX_USE_CLOCK_MONOTONIC
- /// monotonic_clock
- struct monotonic_clock
+ /// steady_clock
+ struct steady_clock
{
typedef chrono::nanoseconds duration;
typedef duration::rep rep;
typedef duration::period period;
- typedef chrono::time_point<monotonic_clock, duration> time_point;
+ typedef chrono::time_point<steady_clock, duration> time_point;
- static constexpr bool is_monotonic = true;
+ static constexpr bool is_steady = true;
static time_point
now();
};
#else
- typedef system_clock monotonic_clock;
+ typedef system_clock steady_clock;
#endif
typedef system_clock high_resolution_clock;
===================================================================
@@ -1,3 +1,20 @@
+2011-07-20 Benjamin Kosnik <bkoz@redhat.com>
+ Daniel Krugler <daniel.kruegler@googlemail.com>
+
+ * include/std/chrono: (system_clock::is_steady): Update to N3291
+ from is_monotonic.
+ (time_point): Add constexpr to nonmember arithmetic operators.
+ * src/chrono.cc: Modify for above.
+ * src/compatibility-c++0x.cc: Same.
+ * testsuite/20_util/time_point/nonmember/constexpr.cc: New.
+ * testsuite/20_util/time_point/1.cc: Modify.
+ * testsuite/20_util/system_clock/constexpr_data.cc: Modify.
+ * testsuite/20_util/system_clock/1.cc: Modify.
+ * testsuite/20_util/monotonic_clock/constexpr_data.cc: Move to...
+ * testsuite/20_util/steady_clock/constexpr_data.cc: ...here.
+ * testsuite/30_threads/condition_variable/members/2.cc: Modify.
+ * testsuite/30_threads/condition_variable_any/members/2.cc: Modify.
+
2011-07-20 Paolo Carlini <paolo.carlini@oracle.com>
* include/std/system_error: Use noexcept.
@@ -1544,7 +1561,7 @@
2011-05-19 Paolo Carlini <paolo.carlini@oracle.com>
* include/std/tuple (tuple<>::operator=(tuple&&)): Specify as
- noexcept.
+ noexcept.
(__get_helper): Likewise.
(_Head_base<>::_M_head, _Tuple_impl<>::_M_head, _M_tail): Likewise.
* include/bits/move.h (swap): Likewise.
@@ -2237,8 +2254,8 @@
2011-03-31 Jeffrey Yasskin <jyasskin@google.com>
- * libsupc++/exception_ptr.h: Forward-declare std::type_info.
- * libsupc++/nested_exception.h (__throw_with_nested): Remove a
+ * libsupc++/exception_ptr.h: Forward-declare std::type_info.
+ * libsupc++/nested_exception.h (__throw_with_nested): Remove a
redundant default argument from std::__throw_with_nested.
2011-03-31 Paolo Carlini <paolo.carlini@oracle.com>
===================================================================
@@ -5,7 +5,7 @@
// { dg-require-cstdint "" }
// { dg-require-gthreads "" }
-// Copyright (C) 2008, 2009, 2010 Free Software Foundation, Inc.
+// Copyright (C) 2008, 2009, 2010, 2011 Free Software Foundation, Inc.
//
// This file is part of the GNU ISO C++ Library. This library is free
// software; you can redistribute it and/or modify it under the
@@ -38,10 +38,10 @@
std::mutex m;
std::unique_lock<std::mutex> l(m);
- auto then = std::chrono::monotonic_clock::now();
+ auto then = std::chrono::steady_clock::now();
std::cv_status result = c1.wait_until(l, then + ms);
VERIFY( result == std::cv_status::timeout );
- VERIFY( (std::chrono::monotonic_clock::now() - then) >= ms );
+ VERIFY( (std::chrono::steady_clock::now() - then) >= ms );
VERIFY( l.owns_lock() );
}
catch (const std::system_error& e)
===================================================================
@@ -5,7 +5,7 @@
// { dg-require-cstdint "" }
// { dg-require-gthreads "" }
-// Copyright (C) 2010 Free Software Foundation, Inc.
+// Copyright (C) 2010, 2011 Free Software Foundation, Inc.
//
// This file is part of the GNU ISO C++ Library. This library is free
// software; you can redistribute it and/or modify it under the
@@ -63,10 +63,10 @@
Mutex m;
m.lock();
- auto then = std::chrono::monotonic_clock::now();
+ auto then = std::chrono::steady_clock::now();
std::cv_status result = c1.wait_until(m, then + ms);
VERIFY( result == std::cv_status::timeout );
- VERIFY( (std::chrono::monotonic_clock::now() - then) >= ms );
+ VERIFY( (std::chrono::steady_clock::now() - then) >= ms );
VERIFY( m.locked );
}
catch (const std::system_error& e)
===================================================================
@@ -1,52 +0,0 @@
-// { dg-do compile }
-// { dg-options "-std=gnu++0x" }
-
-// Copyright (C) 2010 Free Software Foundation, Inc.
-//
-// This file is part of the GNU ISO C++ Library. This library is free
-// software; you can redistribute it and/or modify it under the
-// terms of the GNU General Public License as published by the
-// Free Software Foundation; either version 3, or (at your option)
-// any later version.
-
-// This library is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-// GNU General Public License for more details.
-
-// You should have received a copy of the GNU General Public License along
-// with this library; see the file COPYING3. If not see
-// <http://www.gnu.org/licenses/>.
-
-#include <chrono>
-#include <testsuite_common_types.h>
-
-namespace __gnu_test
-{
- struct constexpr_member_data
- {
- template<typename _Ttesttype>
- void
- operator()()
- {
- struct _Concept
- {
- void __constraint()
- {
- constexpr auto v1 __attribute__((unused))
- = _Ttesttype::is_monotonic;
- }
- };
-
- _Concept c;
- c.__constraint();
- }
- };
-}
-
-int main()
-{
- __gnu_test::constexpr_member_data test;
- test.operator()<std::chrono::monotonic_clock>();
- return 0;
-}
===================================================================
@@ -0,0 +1,45 @@
+// { dg-do compile }
+// { dg-options "-std=gnu++0x" }
+
+// Copyright (C) 2011 Free Software Foundation, Inc.
+//
+// This file is part of the GNU ISO C++ Library. This library is free
+// software; you can redistribute it and/or modify it under the
+// terms of the GNU General Public License as published by the
+// Free Software Foundation; either version 3, or (at your option)
+// any later version.
+
+// This library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU General Public License for more details.
+
+// You should have received a copy of the GNU General Public License along
+// with this library; see the file COPYING3. If not see
+// <http://www.gnu.org/licenses/>.
+
+#include <chrono>
+#include <testsuite_hooks.h>
+
+int main()
+{
+ bool test __attribute__((unused)) = true;
+ using namespace std::chrono;
+
+ typedef time_point<system_clock> time_type;
+
+ constexpr time_type t1(seconds(1));
+ constexpr time_type t2(seconds(30));
+ constexpr time_type t3(seconds(60));
+
+ constexpr duration<int> d0(12);
+ constexpr duration<int> d1(3);
+
+ constexpr auto r1 = t1 + d0;
+ constexpr auto r2 = d1 + t2;
+
+ constexpr auto r3 = t1 - d0;
+ constexpr auto r4 = t2 - t3;
+
+ return 0;
+}
===================================================================
@@ -1,7 +1,7 @@
// { dg-options "-std=gnu++0x" }
// { dg-require-cstdint "" }
-// Copyright (C) 2008, 2009 Free Software Foundation
+// Copyright (C) 2008, 2009, 2011 Free Software Foundation
//
// This file is part of the GNU ISO C++ Library. This library is free
// software; you can redistribute it and/or modify it under the
@@ -33,8 +33,8 @@
time_point<system_clock> t1;
VERIFY(t1.time_since_epoch() == system_clock::duration::zero());
- time_point<monotonic_clock> t2;
- VERIFY(t2.time_since_epoch() == monotonic_clock::duration::zero());
+ time_point<steady_clock> t2;
+ VERIFY(t2.time_since_epoch() == steady_clock::duration::zero());
time_point<high_resolution_clock> t3;
VERIFY(t3.time_since_epoch() == high_resolution_clock::duration::zero());
===================================================================
@@ -1,7 +1,7 @@
// { dg-do compile }
// { dg-options "-std=gnu++0x" }
-// Copyright (C) 2010 Free Software Foundation, Inc.
+// Copyright (C) 2010, 2011 Free Software Foundation, Inc.
//
// This file is part of the GNU ISO C++ Library. This library is free
// software; you can redistribute it and/or modify it under the
@@ -34,7 +34,7 @@
void __constraint()
{
constexpr auto v1 __attribute__((unused))
- = _Ttesttype::is_monotonic;
+ = _Ttesttype::is_steady;
}
};
===================================================================
@@ -1,7 +1,7 @@
// { dg-options "-std=gnu++0x" }
// { dg-require-cstdint "" }
-// Copyright (C) 2008, 2009, 2010 Free Software Foundation
+// Copyright (C) 2008, 2009, 2010, 2011 Free Software Foundation
//
// This file is part of the GNU ISO C++ Library. This library is free
// software; you can redistribute it and/or modify it under the
@@ -29,8 +29,8 @@
using namespace std::chrono;
system_clock::time_point t1 = system_clock::now();
- bool is_monotonic = system_clock::is_monotonic;
- is_monotonic = is_monotonic; // suppress unused warning
+ bool is_steady = system_clock::is_steady;
+ is_steady = is_steady; // suppress unused warning
std::time_t t2 = system_clock::to_time_t(t1);
system_clock::time_point t3 = system_clock::from_time_t(t2);
t3 = t3; // suppress unused warning
===================================================================
@@ -34,7 +34,7 @@
void __constraint()
{
constexpr auto v1 __attribute__((unused))
- = _Ttesttype::is_monotonic;
+ = _Ttesttype::is_steady;
}
};
@@ -47,6 +47,6 @@
int main()
{
__gnu_test::constexpr_member_data test;
- test.operator()<std::chrono::monotonic_clock>();
+ test.operator()<std::chrono::steady_clock>();
return 0;
}